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Popular Functions >

f(x)=x^2-4x-16

Solution

f (x) = x^{2} - 4 x - 16

Solution

Domain : - \infty < x < \infty

Range : f (x) \geq - 20

X Intercepts : (2 (1 + 5), 0), (2 (1 - 5), 0), Y Intercepts : (0, - 16)

Vertex : Minimum (2, - 20)

Inverse : 2 + x + 20, 2 - x + 20

+1

Interval Notation

Domain : (- \infty, \infty)

Range : [- 20, \infty)

Solution steps

Domain of

x^{2} - 4 x - 16 : - \infty < x < \infty

Range of

x^{2} - 4 x - 16 : f (x) \geq - 20

Axis interception points of

x^{2} - 4 x - 16 :

X Intercepts

: (2 (1 + 5), 0), (2 (1 - 5), 0),

Y Intercepts

: (0, - 16)

Vertex of

x^{2} - 4 x - 16 :

Minimum

(2, - 20)

Inverse of

x^{2} - 4 x - 16 : 2 + x + 20, 2 - x + 20

Graph

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Frequently Asked Questions (FAQ)

What is the f(x)=x^2-4x-16 ?
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